<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <form id="form"> 
      <input type="text" name="username" autofocus />
      mingzi
    </form>

    <form id="form1"> 
      <input type="password" name="password" />
      mima
    </form>

    <form id="form2"> 
      <input type="text" placeholder="请输入验证码" required />
    </form>

  </body>
</html>
